Thunder and Lightning

You call upon a bolt of lightning and it strikes one enemy within 180ft of you. Target enemy takes 1D12 of thunder damage. Everyone in a 30ft square of the target enemy must make a CHA saving throw, if they fail, they hear crackling thunder that frightens them for 1 turn. If deaf or cannot hear, the creature is immune to frightened condition.

The damage dice increases to 2D12 at the 5th level, 3D12 at the 11th level, and 4d12 at the 17th level.